Home / 5,110.49-7,048.23-4,315.65

Finding the Fourth Proportional to 5,110.49, 7,048.23 and 4,315.65

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Solution

The fourth proportional to 5,110.49, 7,048.23 and 4,315.65 is: 5,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.49 : 7,048.23 = 4,315.65 : x
  2. Step 2: Convert to fraction form
    5,110.49/7,048.23 = 4,315.65/x
  3. Step 3: Cross multiply
    5,110.49x = 7,048.23 × 4,315.65
  4. Step 4: Simplify right side
    5,110.49x = 30,417,693.80
  5. Step 5: Solve for x
    x = 30,417,693.80/5,110.49
  6. Step 6: Final answer
    x = 5,952.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.